1) multi-stream heat exchanger
多股流换热器
1.
Application of temperature-difference uniformity optimization principle to path arrangement of multi-stream heat exchangers;
多股流换热器设计的量纲1温差场均匀性优化因子
2.
Based on the accurate mathematic control in multi-stream heat exchangers,target function was established by adjusting proportion of assistant fluids to obtain minimum energy consumption for plate-fin parallel heat exchangers,and optimization operation is searched.
在多股流换热器精确数学控制的基础上,针对板翅式平行流多股流换热器,从最小能耗的角度确定辅助流体间的最佳调节组合并建立优化目标函数,对其进行了运行优化的研究,它可以快速的求解出最小能耗下辅助流体间的最佳调节组合。
3.
Based on the accurate mathematic control in multi-stream heat exchangers,a object function is made by adjusting proportion of assistant fluids to obtain minimum energy consumption for plate-fin parallel heat exchangers,and optimization operation is studied.
本文在多股流换热器精确数学控制的基础上,针对板翅式平行流多股流换热器,从最小能耗的角度确定辅助流体间的最佳调节组合建立优化目标函数,对其进行了运行优化的研究。
2) multi stream heat exchangers
多股流换热器
1.
), an analysis about the self organization ability of multi stream heat exchangers, transiting from one static state to another, was made in this paper.
在考虑多场 (如温度场、温差场和速度场等 )相互作用和相互影响的基础上 ,对多股流换热器从一个稳态过渡到另一个稳态的自组织能力进行了分析。
2.
A network method is proposed in this paper to predict the dynamic characteristics of multi stream heat exchangers, based on the dynamic characteristics of two stream heat exchanger networks.
提出了一种基于两股流换热器网络动态特性预测多股流换热器动态性能的网络法。
3) multi-stream heat exchanger
多流股换热器
1.
In this work multi-stream heat exchanger network(MSHEN) synthesis approach is applied to the crude oil pre-heating network reformation of atmospheric and vacuum distillation unit of a petrochemical company.
以原油常减压蒸馏装置原油预热网络为研究对象,进行了多流股换热器网络的实例综合。
2.
Compared with traditional two-stream heat exchangers, multi-stream heat exchangers possess many advantages such as high efficiency, compact structure and low cost.
多流股换热器网络是一种新型的换热器网络。
4) multi-stream heat exchanger network
多流股换热器网络
1.
The synthesis of multi-stream heat exchanger network(MSHEN) is modeled as a mixed integer non-(linear) programming problem(MINLP) that possesses large scale,many constraints and severe non-convexity and nonlinearity,thus resulting in many local optima.
多流股换热器网络综合问题是一个混合整数非线性规划问题(M INLP),这类问题规模大、约束条件多,严重的非凸非线性使得目标函数存在多个局部最优解。
2.
A method of synthesizing multi-stream heat exchanger network of low temperature process is presented,which can be solved by Genetic/Simulated Annealing algorithm(GA/SA) optimizing stream heat transfer temperature difference contribution values,and a reasonable multi-stream heat exchanger network is obtained.
利用虚拟温度法(流股有效温位)对国内某乙烯装置冷箱系统进行用能诊断分析,找出过程系统的用能“瓶颈”,并针对低温过程传热温差较小以及冷公用工程采用中间公用工程的特点,提出了低温过程多流股换热器网络的综合方法;该方法能够有效的利用冷热流股的有效温位,使冷公用工程的操作费用达到最小,得到合理的换热网络,并且在优化流股传热温差贡献值过程中,考虑了各流股温度、传热膜系数和换热器材质的影响,因此可以用于不同材质、不同传热膜系数低温换热网络的设计和优化;将该方法应用于国内某乙烯装置冷箱系统的综合中,与现场用能情况相比,冷公用工程用量降低了44。
5) multi-stream heat exchanger networks synthesis
多流股换热器网络综合
1.
The multi-stream heat exchanger networks synthesis (HENS) problem can be formulated as a mixed integer nonlinear programming (MINLP) model according to Yee, et al.
因此对遗传算法进行多流股换热器网络综合的方法进行了研究,最后通过例题证明了方法的有效性。
2.
Different from the assumption of isothermal mixing of stream splits and thus linearity constraints in literature, non-isothermal mixing was proposed, and a corresponding mathematical model for multi-stream heat exchanger networks synthesis problem was setup.
建立了多流股换热器网络综合数学模型,该模型改进了文献中等温混合的不合理假设。
6) multi stream plate fin heat exchanger
多股流板翅式换热器
1.
With a parallel multi stream plate fin heat exchanger serving as a target of study the authors have presented an energy equation for both the fluid and fins of the said heat exchanger, taking into account the bypass effect of the fins.
以平行多股流板翅式换热器为研究对象,给出了考虑翅片旁通作用的多股流板翅式换热器流体和翅片的能量方程。
补充资料：同流换热器
分子式：
CAS号：
性质：同流换热器(或并流换热器)，是指冷热二股流体同从换热器一端进入，从另一端流出，二股流体在换热器中是沿同一方向前进的。由于同流换热器在传热温度差的利用效率方面不及逆流换热器，因此在生产中除特殊需要外一般比较少采用。
CAS号：
性质：同流换热器(或并流换热器)，是指冷热二股流体同从换热器一端进入，从另一端流出，二股流体在换热器中是沿同一方向前进的。由于同流换热器在传热温度差的利用效率方面不及逆流换热器，因此在生产中除特殊需要外一般比较少采用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条